Deviant 71200 Fuel Rail Plug for 01-04 GM 6.6L Duramax LB7

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Deviant Race Parts LB7 Fuel Rail Plug

This machined stainless rail plug will help eliminate DTC's from low rail pressure during demanding situations.


  • Replaces the factory Fuel Pressure Relief Valve
  • Machined Stainless Steel
  • Helps eliminate low rail pressure codes

**Remove intake elbow and move main wire harness out of way for easiest install.